Commit 2358d3a1 authored by Hans de Goede's avatar Hans de Goede Committed by sanglipeng
Browse files

ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2

stable inclusion
from stable-v5.10.197
commit bfc747fe0725dfa5602406c207c99efabdbf6152
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I96Q8P

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bfc747fe0725dfa5602406c207c99efabdbf6152

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[ Upstream commit 8cf04bb3 ]

Linux defaults to picking the non-working ACPI video backlight interface
on the Apple iMac12,1 and iMac12,2.

Add a DMI quirk to pick the working native radeon_bl0 interface instead.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1838
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2753


Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarsanglipeng <sanglipeng1@jd.com>
parent 5a7d3cb2
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